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Connection Diagram; Cable - Mitsubishi Electric GOT1000 Series Connection Manual

Microcomputers, modbus products, peripherals.
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4.3 Connection Diagram

The following diagram shows the connection between the
GOT and the PLC.
4.3.1
RS-232 cable
Connection diagram
RS232 connection diagram 1)
GOT side
*1
CD/NC
1
RD(RXD)
2
3
SD(TXD)
4
ER(DTR)
SG
5
6
DR(DSR)
7
RS(RTS)
CS(CTS)
8
NC
9
*1
GT16: CD, GT15: CD, GT14: NC, GT12: NC,GT11: NC,
GT105 : NC, GT104 : NC
®
*2
Some MODBUS
/RTU equipment require the control line
(CS, RS, etc.) to be controlled.
Make sure to connect the cables and wires as described in
®
the MODBUS
/RTU equipment manual.
RS232 connection diagram 2)
GOT side
SD
RD
ER
DR
SG
RS
CS
®
*1
Some MODBUS
/RTU equipment require the control line
(CS, RS, etc.) to be controlled.
Make sure to connect the cables and wires as described in
®
the MODBUS
/RTU equipment manual.
4 - 4
4. MODBUS(R)/RTU CONNECTION
4.3 Connection Diagram
*2
MODBUS equipment side
-
TxD
RxD
-
SG
-
-
-
-
*1
MODBUS equipment side
RxD
TxD
-
-
SG
-
-
Precautions when preparing a cable
(1) Cable length
The length of the RS-232 cable must be 15m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
(3) MODBUS equipment side connector
Use the connector compatible with the MODBUS
equipment side module.
For details, refer to the MODBUS
user's manual.
®
/RTU
®
/RTU equipment

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